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sh2 drc, wrap generated function ptrs if called from host

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kub 2023-01-09 20:45:10 +00:00
parent e1b916547d
commit 0512a22869
8 changed files with 43 additions and 15 deletions
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13
cpu/drc/emit_ppc.c
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@ -1307,6 +1307,17 @@ static void emith_add_imm(int rt, int ra, u32 imm)
if (_s) emith_add_r_r_ptr_imm(SP, SP, _s); \
} while (0)
#if defined __PS3__
// on PS3 a C function pointer points to an array of 2 ptrs containing the start
// address and the TOC pointer for this function. TOC isn't used by the DRC though.
static void *fptr[2];
#define host_call(addr, args) (fptr[0] = addr, (void (*) args)fptr)
#else
// with ELF we have the PLT which wraps functions needing any ABI register setup,
// hence a function ptr is simply the entry address of the function to execute.
#define host_call(addr, args) addr
#endif
#define host_arg2reg(rt, arg) \
rt = (arg+3)
@ -1500,7 +1511,7 @@ static int emith_cond_check(int cond)
EMIT(PPC_BLCTRCOND(BXX)); \
} while(0)
#define emith_call_ctx(offs) do { \
#define emith_abicall_ctx(offs) do { \
emith_ctx_read_ptr(CR, offs); \
emith_call_reg(CR); \
} while (0)